.AC

Name: .AC — TLD Knowledge Base
Creator: Internet Computer Bureau Limited

Ascension Island

Internet Computer Bureau Limited · cctld · Updated 2026-09-10

Specs only

Specifications

Zone: .ac
Registration period: 1 year
Character length: 1-63
IDN: Yes
DNSSEC: Yes
IPv6: Yes
Nameservers: 2-7 nameservers
Redemption period: 30 days
Handle updates: Yes
WHOIS privacy: Yes
WHOIS server: whois.nic.ac
Data set: ccTLD
Auth code: Yes
Connection: Direct
IDN character sets: BIG5, EUC_JP, EUC_KR, ISCII, KOI8_R, KOI8_U, SHIFT_JIS, TIS_620, ISO_8859_7, ISO_8859_1

Domains can be registered without restrictions.

Required contact fields: Tech contact email, Owner contact email, Admin contact email.

Registration period: 1 year. Processing is automated. Character length: 1-63. Requires 2-7 nameservers.

Auth code is required for transfer. Transfer processing is automated. Transfer confirmation required by the losing registrar.

No registry-level owner change task. Updates handled via contact data updates.

Explicit renewal task supported. Cancellation period: 0 days.

Restore task is supported. RGP period: 30 days. Auto-renew grace period: 30 days.

WHOIS server: whois.nic.ac. WHOIS privacy supported.

Internet Computer Bureau Limited (org) c/o Sure (Ascension Island), Georgetown ASCN 1ZZ, Ascension Island
Internet Computer Bureau Limited — Managing Director (admin) c/o Sure (Ascension Island), Georgetown ASCN 1ZZ, Ascension Island